CN210362511U

CN210362511U - Automatic switching device for 3D printing spray heads

Info

Publication number: CN210362511U
Application number: CN201921406408.3U
Authority: CN
Inventors: 赵振鹏
Original assignee: Shenzhen Tianyi Hengda Rapid Prototyping Technology Co Ltd
Current assignee: Shenzhen Tianyi Hengda Rapid Prototyping Technology Co Ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-04-21
Anticipated expiration: 2029-08-27

Abstract

The utility model discloses an automatic switching device for a 3D printing nozzle, which comprises a circular base, wherein the base is provided with a plurality of 3D printing material boxes along the circumferential direction, each 3D printing material box is provided with an outer cylinder and a material guiding inner cylinder which downwards run through the base, a charging pipe is sleeved outside the material guiding inner cylinder, the lower end of the material pipe is connected with the nozzle, and the upper end of the material pipe is fixed between the outer cylinder and the material guiding inner cylinder through a spring; the outer barrel is provided with a sliding groove, the sliding groove is provided with a switching component for driving the material pipe to lift, the switching component comprises a rotary lifting cylinder arranged on the base, a round pressing block connected with a rotary push rod of the rotary lifting cylinder and an arc plate for fixing the corresponding material pipe by penetrating through the sliding groove through a connecting column, the middle part of the arc plate is provided with a channel, and the pressing block is provided with a pressing head sliding into the channel; the utility model aims at providing a 3D prints shower nozzle automatic switching control equipment aims at reducing actuating mechanism's quantity, reaches simple structure, reduces the purpose of cost.

Description

Automatic switching device for 3D printing spray heads

Technical Field

The utility model belongs to the technical field of 3D prints, especially, relate to a 3D prints shower nozzle automatic switching control equipment.

Background

3D printing, one of the rapid prototyping technologies, is a technology for constructing an object by printing layer by layer on the basis of a digital model file using a bondable material such as a fusible metal (alloy), a powdered metal (alloy), or plastic. The biggest characteristic of the technology is that the technology can produce articles with almost any shape, and the technology is currently the leading research field in the world and the China.

For the nozzles requiring multiple materials for molding, because the nozzles are at the same height, when the nozzle of one of the materials moves in the working process, other nozzles are likely to interfere with the molded article and collide with the molded article, for this reason, in the prior art, aiming at the above problems, a driving mechanism is arranged above each nozzle to ensure that the nozzle of the operation is at a different height from other nozzles.

SUMMERY OF THE UTILITY MODEL

The utility model aims at above problem, provide a 3D prints shower nozzle automatic switching control equipment, aim at reducing actuating mechanism's quantity, reach simple structure, reduce the purpose of cost.

For the purpose of realizing above, the utility model discloses a technical scheme be, it includes a circular base, the base evenly sets up a plurality of 3D print cartridge along the circumferencial direction, 3D print cartridge has urceolus and the guide inner tube that link up the base downwards, wherein:

a material pipe is sleeved outside the material guide inner cylinder, the lower end of the material pipe is connected with the spray head, and the upper end of the material pipe is fixed between the outer cylinder and the material guide inner cylinder through a spring;

the spout has been seted up on the urceolus, be provided with the drive on the spout the switching module of material pipe lift, the switching module passes the fixed arc that corresponds the material pipe of spout including installing the rotatory lift cylinder on the base, the circular briquetting of being connected with the rotatory push rod of rotatory lift cylinder and through a plurality of spliced poles, the channel has been seted up at the middle part of arc, the briquetting has outside extension, and slips into the pressure head of channel, makes the pressure head slide into the arc channel that corresponds under the rotary drive of cylinder, utilizes the lift drive of cylinder to print the shower nozzle to single D and switches.

Further, the arc length of the pressure head is not larger than that of the arc-shaped plate.

Furthermore, the number of the 3D printing material boxes and the number of the arc-shaped plates are four, and the four groups of arc-shaped plates form a circular ring structure in an unswitched state.

Further, the rotation angle of each rotation of the lifting cylinder is 90 degrees.

Furthermore, the rotating push rod is in threaded connection with the pressing block.

Compared with the prior art, the utility model, the beneficial effects are that: the device is simple in structure, the purpose of realizing single switching of a plurality of 3D printing nozzles by one rotary lifting cylinder is achieved, the number of driving mechanisms is reduced, and the reduction of production cost is facilitated; other advantages of the present invention will be further explained in the detailed description of the invention.

Drawings

Fig. 1 is a schematic perspective view of the device of the present invention.

Fig. 2 is a partial sectional structural view of fig. 1.

Fig. 3 is a connection structure diagram of the switching module.

Fig. 4 is a schematic view of the structure of the ram sliding into the channel.

The text labels in the figures are represented as: 1. a base; 2. a 3D print cartridge; 3. a material pipe; 4. a spray head; 5. a spring; 6. connecting columns; 7. an arc-shaped plate; 8. briquetting; 9. rotating the lifting cylinder; 10. rotating the push rod; 20. an outer cylinder; 21. a material guiding inner cylinder; 201. a chute; 701. a channel; 801. and (4) pressing head.

Detailed Description

In order to make the technical solution of the present invention better understood, the present invention is described in detail below with reference to the accompanying drawings, and the description of the present invention is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention.

Please refer to fig. 1-2, which illustrate the structure of the automatic switching device for 3D printing nozzle of the present invention: it includes a circular base 1, base 1 evenly sets up a plurality of 3D print cartridge 2 along the circumferencial direction, the utility model discloses a four group's 3D print cartridge 2, 3D print cartridge 2 has urceolus 20 and the guide inner tube 21 that link up base 1 downwards.

Specifically, as shown in fig. 2, a material pipe 3 is sleeved outside a material guiding inner cylinder 21, the lower end of the material pipe 3 is connected with a spray head 4, the upper end of the material pipe is fixed between an outer cylinder 20 and the material guiding inner cylinder 21 through a spring 5, and powder in the 3D printing material box 2 enters the material pipe 3 through the material guiding inner cylinder 21 after being melted, and is finally sprayed and formed through the spray head 4.

The technical scheme of the utility model for realizing automatic switching is as shown in fig. 1-4, a chute 201 is arranged on an outer cylinder 20, a switching component for driving a material pipe 3 to go up and down is arranged on the chute 201, and the structure of the switching component is that a rotary lifting cylinder 9 arranged on a base 1, a round pressing block 8 connected with a rotary push rod 10 of the rotary lifting cylinder 9 and an arc plate 7 which passes through the chute 201 through a plurality of connecting columns 6 and fixes the corresponding material pipe 3 are adopted by the utility model, the four arc plates 7 are adopted, and the four arc plates 7 are enclosed into a circular ring structure under the non-switching state;

the middle part of the arc-shaped plate 7 is provided with a channel 701, the pressing block 8 is provided with a pressing head 801 which extends outwards and slides into the channel 701, the pressing head 801 slides into the channel 701 of the arc-shaped plate 7 to be switched under the rotation drive of the rotary lifting cylinder 9, then the pressing block 8 is pushed downwards by utilizing the lifting action of the rotary lifting cylinder 9, the pressing head 801 is positioned in the channel 701 of the arc-shaped plate 7 and can drive the arc-shaped plate 7 and the connecting column 6 to descend, so that the material pipe 3 descends, finally, the single 3D printing nozzle extends out, so that the nozzle 4 and other nozzles are positioned at different heights, the arc length of the pressing head 801 is not more than the arc-shaped plate 7 in the technical scheme, and the rotation angle of the rotary lifting cylinder 9 at each time is 90 degrees.

The utility model discloses a another kind of embodiment, with

rotary push rod

10 and 8 threaded connection of briquetting to briquetting 8 can be dismantled, has a plurality of pressure heads 801's briquetting 8 through the change, switches when realizing a plurality of shower nozzles 4.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The principles and embodiments of the present invention have been explained herein using specific examples, which are presented only to assist in understanding the methods and their core concepts. The foregoing is only a preferred embodiment of the present invention, and it should be noted that there are objectively infinite specific structures due to the limited character expressions, and it will be apparent to those skilled in the art that a plurality of modifications, decorations or changes can be made without departing from the principle of the present invention, and the above technical features can be combined in a proper manner; the application of these modifications, variations or combinations, or the application of the concepts and solutions of the present invention in other contexts without modification, is not intended to be considered as a limitation of the present invention.

Claims

1. The utility model provides a 3D prints shower nozzle automatic switching control equipment, its characterized in that, it includes a circular base (1), base (1) evenly sets up a plurality of 3D print magazine (2) along the circumferencial direction, 3D print magazine (2) have urceolus (20) and guide inner tube (21) that link up base (1) downwards, wherein:

a material pipe (3) is sleeved outside the material guiding inner cylinder (21), the lower end of the material pipe (3) is connected with the spray head (4), and the upper end of the material pipe is fixed between the outer cylinder (20) and the material guiding inner cylinder (21) through a spring (5);

seted up spout (201) on urceolus (20), be provided with the drive on spout (201) the switching components that material pipe (3) go up and down, switching components passes fixed arc (7) that correspond material pipe (3) of spout (201) including installing rotatory lift cylinder (9) on base (1), circular briquetting (8) of being connected with rotatory push rod (10) of rotatory lift cylinder (9) and through a plurality of spliced poles (6), channel (701) have been seted up at the middle part of arc (7), briquetting (8) have outside extension, and slide in pressure head (801) of channel (701), make pressure head (801) slide in corresponding arc (7) channel (701) under the rotary drive of cylinder, utilize the lift drive of cylinder to print the shower nozzle and switch to single 3D.

2. The automatic switching device for 3D printing spray heads according to claim 1, characterized in that the arc length of the pressure head (801) is not larger than that of an arc-shaped plate (7).

3. The automatic switching device of 3D printing nozzle according to claim 2, wherein the number of the 3D printing material boxes (2) and the arc-shaped plates (7) is four, and the four groups of the arc-shaped plates (7) form a circular ring structure in an unswitched state.

4. The automatic switching device of 3D printing nozzle according to claim 3, characterized in that the rotation angle of the rotary lifting cylinder (9) is 90 degrees each time.

5. The automatic switching device for the 3D printing nozzle according to claim 1, wherein the rotary push rod (10) is in threaded connection with the pressing block (8).